Interpretive Nutrient Levels for Plant Analysis
Yellowwood, American
| Low | Normal | High | Excessive | |
|---|---|---|---|---|
| Nitrogen (% DW) | 1.00 |
1.92 |
2.88 |
4.00 |
| Phosphorus (% DW) | 0.15 |
0.28 |
0.75 |
1.50 |
| Potassium (% DW) | 0.75 |
1.20 |
1.88 |
3.00 |
| Calcium (% DW) | 1.25 |
2.02 |
3.68 |
5.00 |
| Magnesium (% DW) | 0.15 |
0.24 |
0.32 |
1.00 |
| Sulfur (% DW) | 0.05 |
0.11 |
0.27 |
1.00 |
| Manganese (ppm DW) | 8 | 15 | 87 | 300 |
| Iron (ppm DW) | 25 | 42 | 250 | 500 |
| Copper (ppm DW) | 2 |
4 |
14 |
50 |
| Boron (ppm DW) | 7 |
14 |
49 |
100 |
| Zinc (ppm DW) | 8 |
15 |
36 |
100 |
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
